rest_example.cs

using System.Text.Json.Serialization;
using RestSharp;

var client = new RestSharp.RestClient(
    new RestClientOptions("http://localhost:8080/api/"));

var request = new RestRequest(
    "users/teller-accounts/token_55mrwcpjtk43b2qevuhfakvowy", 
    Method.Get);

var accounts = client.Execute<List<Account>>(request);
accounts.Data.ForEach(Console.WriteLine);

Console.ReadLine();

internal class Account
{
    [JsonPropertyName("enrollment_id")]
    public string EnrollmentId { get; set; }
    public string Status { get; set; }
    public string Subtype { get; set; }

    public override string ToString()
    {
        return $"EnrollmentId: {EnrollmentId} {Environment.NewLine}" +
               $"Status: {Status} {Environment.NewLine}" +
               $"Subtype: {Subtype} {Environment.NewLine}";
    }
}